Home / 232,130.90-320,222.74-151,605.56

Finding the Fourth Proportional to 232,130.90, 320,222.74 and 151,605.56

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Solution

The fourth proportional to 232,130.90, 320,222.74 and 151,605.56 is: 209,138.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,130.90 : 320,222.74 = 151,605.56 : x
  2. Step 2: Convert to fraction form
    232,130.90/320,222.74 = 151,605.56/x
  3. Step 3: Cross multiply
    232,130.90x = 320,222.74 × 151,605.56
  4. Step 4: Simplify right side
    232,130.90x = 48,547,547,064.41
  5. Step 5: Solve for x
    x = 48,547,547,064.41/232,130.90
  6. Step 6: Final answer
    x = 209,138.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.